diff options
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/hw_breakpoint.h | 12 | ||||
| -rw-r--r-- | arch/arm/include/asm/processor.h | 4 | ||||
| -rw-r--r-- | arch/arm/include/asm/ptrace.h | 2 |
3 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm/include/asm/hw_breakpoint.h b/arch/arm/include/asm/hw_breakpoint.h index 33048c700ca..4d8ae9d67ab 100644 --- a/arch/arm/include/asm/hw_breakpoint.h +++ b/arch/arm/include/asm/hw_breakpoint.h @@ -2,6 +2,11 @@ #define _ARM_HW_BREAKPOINT_H #ifdef __KERNEL__ + +struct task_struct; + +#ifdef CONFIG_HAVE_HW_BREAKPOINT + struct arch_hw_breakpoint_ctrl { u32 __reserved : 9, mismatch : 1, @@ -102,7 +107,6 @@ static inline void decode_ctrl_reg(u32 reg, struct notifier_block; struct perf_event; struct pmu; -struct task_struct; extern struct pmu perf_ops_bp; extern int arch_bp_generic_fields(struct arch_hw_breakpoint_ctrl ctrl, @@ -111,13 +115,19 @@ extern int arch_check_bp_in_kernelspace(struct perf_event *bp); extern int arch_validate_hwbkpt_settings(struct perf_event *bp); extern int hw_breakpoint_exceptions_notify(struct notifier_block *unused, unsigned long val, void *data); + extern u8 arch_get_debug_arch(void); extern u8 arch_get_max_wp_len(void); +extern void clear_ptrace_hw_breakpoint(struct task_struct *tsk); int arch_install_hw_breakpoint(struct perf_event *bp); void arch_uninstall_hw_breakpoint(struct perf_event *bp); void hw_breakpoint_pmu_read(struct perf_event *bp); int hw_breakpoint_slots(int type); +#else +static inline void clear_ptrace_hw_breakpoint(struct task_struct *tsk) {} + +#endif /* CONFIG_HAVE_HW_BREAKPOINT */ #endif /* __KERNEL__ */ #endif /* _ARM_HW_BREAKPOINT_H */ diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h index 7bed3daf83b..67357baaeee 100644 --- a/arch/arm/include/asm/processor.h +++ b/arch/arm/include/asm/processor.h @@ -19,6 +19,7 @@ #ifdef __KERNEL__ +#include <asm/hw_breakpoint.h> #include <asm/ptrace.h> #include <asm/types.h> @@ -41,6 +42,9 @@ struct debug_entry { struct debug_info { int nsaved; struct debug_entry bp[2]; +#ifdef CONFIG_HAVE_HW_BREAKPOINT + struct perf_event *hbp[ARM_MAX_HBP_SLOTS]; +#endif }; struct thread_struct { diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 7ce15eb15f7..783d50f3261 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -29,6 +29,8 @@ #define PTRACE_SETCRUNCHREGS 26 #define PTRACE_GETVFPREGS 27 #define PTRACE_SETVFPREGS 28 +#define PTRACE_GETHBPREGS 29 +#define PTRACE_SETHBPREGS 30 /* * PSR bits |